CN201703930U - Rotatable integrated upper holdout device for home elevator - Google Patents
Rotatable integrated upper holdout device for home elevator Download PDFInfo
- Publication number
- CN201703930U CN201703930U CN2010201262846U CN201020126284U CN201703930U CN 201703930 U CN201703930 U CN 201703930U CN 2010201262846 U CN2010201262846 U CN 2010201262846U CN 201020126284 U CN201020126284 U CN 201020126284U CN 201703930 U CN201703930 U CN 201703930U
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- China
- Prior art keywords
- elevator
- switch
- rotatable
- holdout device
- pipe
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- Expired - Fee Related
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
A rotatable integrated upper holdout device for a home elevator is mounted on an elevator car frame of the elevator, and comprises a limit switch and an action switch which are respectively mounted on two connection plates; the limit switch and the action switch are fixed on the elevator car frame through the connection plates; a rotatable round tube is mounted on the connection plate at a part of the limit switch; an elastic element is connected to the tail end of the round tube, and is in contact with the action switch in the horizontal position; and the action switch is connected with a relay and is connected in parallel with the limit switch. When the home elevator is in normal operation, the round tube with the elastic element is rotated downwards to be in the horizontal state; and when the home elevator needs to be maintained, the round tube is rotated upwards to be in the vertical state, so that the safety requirement is also met when the space above an elevator car roof is insufficient in maintenance and operation of the elevator, The utility model has the benefits that when the space above the elevator car roof is insufficient, the safety standard requirement can be also met by utilizing the device for maintenance, and the structure is simple and the use is convenient.
Description
Technical field
The utility model relates to the safety device on the home lift, guarantees the safety of elevator service personnel in the process of maintenance, can unartificial factor not occur in the process of maintenance and causes the problem of service personnel injures and deaths.
Background technology
For security consideration, " home lift manufacturing and installation specification " (GB/T21739-2008) requires: when home lift is not installed upper mechanical preventing device, when on the complete compression buffer of counterweight, sedan-chair top superjacent air space should be able to hold a cuboid that is not less than 0.5m * 0.6m * 0.8m, and the placement that can arbitraryly flat down.When the installing upper mechanical preventing device, when this device worked, when the set springing of upper mechanical preventing device compressed fully, sedan-chair top superjacent air space should be able to hold a cuboid that is not less than 0.5m * 0.6m * 0.8m, and the placement that can arbitraryly flat down.The vertical distance of standing between regional highest level face and the minimum parts of well headroom in the sedan-chair top should be less than 1.00m.
The utility model content
The rotatable integrated holdout device of going up of a kind of home lift of the utility model, the problem of sedan-chair top superjacent air space deficiency when solving home lift inspection travel state.
The purpose of this utility model is to be achieved through the following technical solutions:
The rotatable integrated holdout device of going up of a kind of home lift, be installed on the car frame of elevator, comprise and be installed in two location switch and step switchs on the connecting panel respectively, be fixed on the car frame by described connecting panel, one rotatable pipe is installed on the connecting panel at described location switch one place, end at pipe connects elastic component, and described pipe contacts with described step switch at level attitude.Described step switch is connected with a relay, and in parallel with described location switch.
The main elevator of using is when normal operating condition, the pipe that has elastic component screws off and is in horizontality, and when the manager need overhaul with elevator, pipe up was threaded to plumbness, reach when the elevator inspection travel state with this, when sedan-chair top superjacent air space is not enough, also can meet safety requirements.
The beneficial effects of the utility model are, when sedan-chair top superjacent air space is not enough, also can meet safety standard requirements when utilizing this device to overhaul, and simple in structure, easy to use.
Description of drawings
With embodiment the utility model is described in further detail with reference to the accompanying drawings below.
Fig. 1 is that the utility model is at home lift inspection travel working state figure.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that the utility model normally moves working state figure at home lift.
Fig. 4 is the utility model electrical schematic diagram.
Among the figure, 1, elastic component, 2, pipe, 3, connecting panel, 4, connecting panel, 5, car frame, 6, step switch (straight top type limit switch), 7, location switch (straight top type limit switch) with 1 pair of open contact with 2 pairs of open contacts and 1 pair of normal contact
The specific embodiment
In Fig. 1-2, the rotatable integrated holdout device of going up of home lift described in the utility model, be installed on the car frame 5 of elevator, comprise the location switch 7 and the step switch 6 that are installed in respectively on two connecting panels 3,4, be fixed on the car frame 5 by described connecting panel 3,4, one rotatable pipe 2 is installed on the connecting panel at described location switch 7 one places, and at the end connection elastic component 1 of pipe 2, described pipe 2 contacts with described step switch 6 at level attitude.Described step switch 6 is connected with a relay, and in parallel with described location switch 7.
When the manager need overhaul with elevator, need part pipe 2 up is threaded to plumbness.Rotate up pipe, step switch 6 resets during when the last before rotation of pipe 2 but not to plumbness, and produces following effect simultaneously:
1), disconnect the line of " automatically/maintenance " end remove control housing, make elevator be in inspecting state by resetting of 43-44 open contact;
2), disconnect the line of cage top overhauling switch, make control housing can't receive the maintenance uplink and downlink and instruct to control housing " incoming signal is public " end by resetting of 33-34 open contact;
3), make relay coil get electronic work by resetting of 11-12 normally closed contact, and realize actuating of relay self-insurance by the 13-14 open contact of relay, repeat to disconnect the line of " automatically/maintenance " end of control housing by the 21-22 normally closed contact of relay, repeat to disconnect the line that the cage top overhauling switch goes " automatically/maintenance " of control housing to hold to the line of control housing " incoming signal is public " end by the 11-12 normally closed contact of relay.
This moment elevator can not normally move can not inspection travel.When pipe 2 is threaded to plumbness, location switch 7 actions, its 33-34 open contact closure, the 33-34 open contact of bypass step switch 6 and relay 11-12 normally closed contact, connect the line of cage top overhauling switch to control housing " incoming signal is public " end, make control housing can normally receive the instruction of maintenance uplink and downlink, realize the inspection travel function.
In Fig. 3, main finish when needing to recover normal operation with the elevator maintenance, need pipe 2 down is threaded to horizontality.Be rotated down pipe, in the process, location switch 7 resets earlier, its 33-34 open contact resets, lose bypass effect to the 33-34 open contact and the relay 11-12 normally closed contact of step switch 6, the 33-34 open contact of step switch 6 still disconnects the line of cage top overhauling switch to control housing " incoming signal is public " end, makes control housing can't receive the instruction of maintenance uplink and downlink, this moment elevator can not normally move can not inspection travel.When pipe continued to be rotated down to horizontality, the bolt assembly that souththern pine is got off was fixed to the position among Fig. 3, and step switch 6 actions this moment also produce following effect simultaneously:
1), the closure by the 43-44 open contact, the line of " automatically/maintenance " end of control housing is only disconnected by the 21-22 normally closed contact of relay, make elevator still be in inspecting state;
2), the closure by the 33-34 open contact, the cage top overhauling switch is only disconnected by the 11-12 normally closed contact of relay to the line of control housing " incoming signal is public " end, control housing can still can't receive the maintenance uplink and downlink and instruct;
This moment, elevator was in still that can not normally move can not the inspection travel state.After the operation personnel withdraw from hoistway, disconnect the control power supply in the control housing, this moment, the relay coil dead electricity resetted, withdraw from the self-insurance state, simultaneously relay 21-22,11-12 normally closed contact are connected " automatically/maintenance " line of end and line that the cage top overhauling switch is held to control housing " incoming signal is public " of control housing respectively.Connect the control power supply in the control housing, elevator returns to normal condition.
Claims (4)
1. the rotatable integrated holdout device of going up of a home lift, be installed on the car frame of elevator, comprise and be installed in two location switch and step switchs on the connecting panel respectively, be fixed on the car frame by described connecting panel, it is characterized in that, a rotatable pipe is installed on the connecting panel at described location switch one place.
2. the rotatable integrated holdout device of going up of home lift according to claim 1 is characterized in that, at the end connection elastic component of pipe.
3. the rotatable integrated holdout device of going up of home lift according to claim 1 is characterized in that described step switch is connected with a relay, and in parallel with described location switch.
4. the rotatable integrated holdout device of going up of home lift according to claim 1 is characterized in that described pipe contacts with described step switch at level attitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201262846U CN201703930U (en) | 2010-03-09 | 2010-03-09 | Rotatable integrated upper holdout device for home elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201262846U CN201703930U (en) | 2010-03-09 | 2010-03-09 | Rotatable integrated upper holdout device for home elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201703930U true CN201703930U (en) | 2011-01-12 |
Family
ID=43441086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201262846U Expired - Fee Related CN201703930U (en) | 2010-03-09 | 2010-03-09 | Rotatable integrated upper holdout device for home elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201703930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922207A (en) * | 2014-04-08 | 2014-07-16 | 广州日滨科技发展有限公司 | Integrated mechanical stopping and locking device of elevator |
| CN104495554A (en) * | 2014-12-19 | 2015-04-08 | 苏州巨立电梯有限公司 | Elevator car roof maintenance safety protecting device |
-
2010
- 2010-03-09 CN CN2010201262846U patent/CN201703930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922207A (en) * | 2014-04-08 | 2014-07-16 | 广州日滨科技发展有限公司 | Integrated mechanical stopping and locking device of elevator |
| CN104495554A (en) * | 2014-12-19 | 2015-04-08 | 苏州巨立电梯有限公司 | Elevator car roof maintenance safety protecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20150309 |
|
| EXPY | Termination of patent right or utility model |